This looks like an incomplete answer to me...
I cannot see any diagram or window or opening, or any lines that indicate they are line AC or BD.
4 more toy boats are in each group than toy cars
Twice the sum of a number and 4 is 14. In this case the numbers are added first, and the ANSWER is doubled.
Answer:
beach litter data that had been collected by the TG Marine Litter. ... (e.g. littering fines, voluntary restrictions, additional waste.